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Title: RheoDSC: A hyphenated technique for the simultaneous measurement of calorimetric and rheological evolutions
Authors: Kiewiet, S ×
Janssens, V
Miltner, H. E
Van Assche, Gert
Van Puyvelde, Peter
Van Mele, B #
Issue Date: Feb-2008
Publisher: Amer inst physics
Series Title: Review of scientific instruments vol:79 issue:2
Article number: 023905
Abstract: A newly developed hyphenated technique is presented combining an existing rheometer and differential scanning calorimeter into a single experimental setup. Through the development of a fixation accessory for differential scanning calorimeter (DSC) crucibles and a novel rotor, the simultaneous measurement is performed inside the well-controlled thermal environment of a Tzero (TM) DSC cell. Hence, the evolution of thermal and flow properties of a material can be simultaneously measured using steady or oscillatory shear measurements and regular or modulated temperature DSC measurements. Along with the construction of a prototype, a validation of the design was performed. The technique offers interesting opportunities for the investigation of flow-induced transitions, for instance, crystallization or phase separation, and provides an asset for high-throughput screening of materials. The potential of the novel technique is demonstrated by two case studies: the chemorheology during the cure of a thermosetting epoxy-amine system and the flow-induced crystallization of syndiotactic polypropylene. (C) 2008 American Institute of Physics.
ISSN: 0034-6748
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter, Rheology and Technology Section
Translational Research in GastroIntestinal Disorders
× corresponding author
# (joint) last author

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